1、FORD LABORATORY TEST METHOD BN 005-02 SHRINKAGE TEST FOR TEXTILES Date 2001 0822 1992 07 O1 Application This procedure is used to determine the shrinkage of vinyl-coated convertible top material. Action Revisions Revised Editorial - No technical change A. Cockman Apparatus Required Automatic Washing
2、 Machine Oven Mechanical convection oven capable of maintaining 70 +/- 2 “C. Materials Required Water Tap water should be used. Soap or Detergent Ivory soap or equivalent. Conditioning and Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere o
3、f 23 +/- 2 OC and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure 1. Cut a 280 x 280 mm test specimen and condition for 16 h at 23 +/- 2 OC and 50 +/- 5 % relative humidity. 2. Mark off a 250 x 250 mm sec
4、tion on flat and wrinkle-free test specimens, using a fine ball point pen or other suitable means. Copynght02001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 005-02 3. 4. 5. 6. 7. 8. 9. Add the required amount of water at 55 +/- 3 OC and the required amount of soap and start the mac
5、hine. The washing machine shall be filled with approximately 80 liters of water. 0.2 % soap solution (approximately 7 g of soap per liter of water). Insert the test specimens in the machine together with the additional extra specimen to make a normal load. un continuously on the wash cycle for 30 mi
6、nutes. The load shall consist of the specimens to be tested and additional convertible top material to make up a load of fifteen specimens (280 x 280 mm). After above washing, start the rinse cycle. The temperature of the rinse water should be 55 +/- 3 OC. Run machine for 2 minutes and drain rinse w
7、ater. Spin dry specimens for 1 minute. Do not wring or squeeze. Dry specimens in a convection air oven for 30 minutes. Condition dried specimens for at least 16 h in an ctmosphere having a relative humidity of 50 +/- 5 % and 23 +/- 2 OC. Remeasure the marked-off areas carefully and report shrinkage and/or expansion. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities. Page 2 of 2 Copynght02001, Ford Global Technologies, Inc
